How long do Rheem tankless water heaters last?
The expected lifespan for a typical gas tank water heater is 8 to 12 years, and electric models last 10 to 15 years on average. With routine maintenance, they can last longer. Rheem gas water heaters should last at least that long, provided you maintain the unit properly. Tankless models can last 15 to 20 years.
Why is my Rheem tankless water heater not working?
The most common reasons why your Rheem tankless water heater is not working include: System overload. Blown fuses. Tripped circuit breakers.
How long does a Rheem Marathon water heater last?
According to Rheem, Marathon water heaters are designed to last for as long as a person would own a home. This seems like a big statement, but Rheem confirms their confidence by including a lifetime warranty on Marathon models. Realistically, Marathon water heaters can last upwards of 40 years.
Is Rinnai or Rheem better?
If you are worried about long-term maintenance, I would go with the Rinnai. They have a great reputation for having long-lasting water heaters, and they have a better warranty vs Rheem. The nice thing is that you get a high quality on demand water heater whichever brand you go with.
Which tankless water heater is most reliable?
The 10 Best Tankless Water Heaters of 2022
| Company | Forbes Advisor Rating | Pricing |
|---|---|---|
| Rheem 18kw Tankless Electric Water Heater | 4.2 | Great |
| Stiebel Eltron DHC Trend Point-of-Use Electric Tankless Water Heaters | 4.2 | Excellent |
| Rheem 13kw Tankless Electric Water Heater RTEX-13 | 4.1 | Great |
| Eemax 27kW ELECTRIC TANKLESS WATER HEATER | 4.1 | Very good |
Which tankless water heater has the longest warranty?
A.O. Smith has some of the longest warranties in the industry, with some tankless models being covered for 15 years.
Why does it take so long to get hot water from my tankless water heater?
The length of the delay can be determined by a few factors, including the distance between the water heater and the outlet. In other words, the longer the water has to travel, the more cold water will need to be discharged before the hot water appears.